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Olympus E-PL9 vs Pentax 645Z

Portability
85
Imaging
55
Features
78
Overall
64
Olympus PEN E-PL9 front
 
Pentax 645Z front
Portability
49
Imaging
80
Features
74
Overall
77

Olympus E-PL9 vs Pentax 645Z Key Specs

Olympus E-PL9
(Full Review)
  • 16MP - Four Thirds Sensor
  • 3" Tilting Display
  • ISO 200 - 6400 (Boost to 25600)
  • Sensor based Image Stabilization
  • 3840 x 2160 video
  • Micro Four Thirds Mount
  • 380g - 117 x 68 x 39mm
  • Launched February 2018
  • Earlier Model is Olympus E-PL8
Pentax 645Z
(Full Review)
  • 51MP - Medium format Sensor
  • 3.2" Tilting Screen
  • ISO 100 - 204800
  • No Anti-Alias Filter
  • 1920 x 1080 video
  • Pentax 645AF2 Mount
  • 1550g - 156 x 117 x 123mm
  • Announced April 2014
  • Succeeded the Pentax 645D
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Olympus E-PL9 vs Pentax 645Z Overview

Its time to examine more in depth at the Olympus E-PL9 and Pentax 645Z, one being a Entry-Level Mirrorless and the latter is a Pro DSLR by companies Olympus and Pentax. There is a significant difference among the resolutions of the E-PL9 (16MP) and 645Z (51MP) and the E-PL9 (Four Thirds) and 645Z (Medium format) come with different sensor sizes.

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The E-PL9 was unveiled 3 years later than the 645Z and that is a fairly sizable gap as far as camera tech is concerned. Each of these cameras come with different body type with the Olympus E-PL9 being a Rangefinder-style mirrorless camera and the Pentax 645Z being a Large SLR camera.

Before delving through a in-depth comparison, below is a brief synopsis of how the E-PL9 matches up against the 645Z in terms of portability, imaging, features and an overall grade.

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Reasons to pick Olympus E-PL9 over the Pentax 645Z

 E-PL9 645Z 
AnnouncedFebruary 2018April 2014More recent by 47 months
Screen resolution1040k1037kClearer screen (+3k dot)
Touch screen Quickly navigate

Reasons to pick Pentax 645Z over the Olympus E-PL9

 645Z E-PL9 
Screen dimension3.2"3"Bigger screen (+0.2")

Common features in the Olympus E-PL9 and Pentax 645Z

 E-PL9 645Z 
Manual focus Dial accurate focus
Screen typeTiltingTiltingTilting screen
Selfie screen No selfie screen

Olympus E-PL9 vs Pentax 645Z Physical Comparison

If you are intending to lug around your camera regularly, you're going to have to take into account its weight and dimensions. The Olympus E-PL9 has got external dimensions of 117mm x 68mm x 39mm (4.6" x 2.7" x 1.5") along with a weight of 380 grams (0.84 lbs) and the Pentax 645Z has dimensions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") accompanied by a weight of 1550 grams (3.42 lbs).

Check the Olympus E-PL9 and Pentax 645Z in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an Interchangeable Lens Camera will change depending on the lens you are using during that time. Here is the front view dimension comparison of the E-PL9 against the 645Z.

Olympus E-PL9 vs Pentax 645Z size comparison

Considering size and weight, the portability rating of the E-PL9 and 645Z is 85 and 49 respectively.

Olympus E-PL9 vs Pentax 645Z top view buttons comparison

Olympus E-PL9 vs Pentax 645Z Sensor Comparison

Usually, it can be hard to picture the difference in sensor measurements purely by checking out specifications. The visual here might offer you a better sense of the sensor sizes in the E-PL9 and 645Z.

Plainly, the two cameras posses different resolutions and different sensor measurements. The E-PL9 with its smaller sensor is going to make achieving shallower DOF trickier and the Pentax 645Z will provide more detail having an extra 35 Megapixels. Higher resolution will let you crop shots somewhat more aggressively. The more modern E-PL9 should have an edge with regard to sensor technology.

Olympus E-PL9 vs Pentax 645Z sensor size comparison

Olympus E-PL9 vs Pentax 645Z Screen and ViewFinder

Olympus E-PL9 vs Pentax 645Z Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-PL9 as a Portrait photography camera
Pentax 645Z as a Portrait photography camera
73
has manual focus
decent MP (16 megapixels)
sensor size is good (Four Thirds)
supports face detection autofocus
supports RAW formats
88
manual focus
excellent megapixels (51 megapixels)
sensor size is large (Medium format)
includes face detect autofocus
saves RAW formats
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Street Comparison

Street photography with Olympus E-PL9
Street photography with Pentax 645Z
84
tilting screen
built in image stabilization (Sensor based)
sensor size is good (Four Thirds)
supports RAW formats
comes with focus by touch
63
screen tilts
sensor size is large (Medium format)
saves RAW formats
environment sealing
above average high ISO (204,800)
no image stabilization
heavier than others (1,550g)
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Sports Comparison

Olympus E-PL9 Sports photography advice
Pentax 645Z Sports photography advice
69
silent shutter (1/16,000s)
built in image stabilization (Sensor based)
decent MP (16 megapixels)
sensor size is good (Four Thirds)
supports tracking autofocus
has no phase detect autofocus
71
excellent megapixels (51 megapixels)
sensor size is large (Medium format)
includes tracking focus
environment sealing
comes with phase detect autofocus
painfully slow continuous shooting (3.0 frames per second)
no image stabilization
terrible battery (650 per charge)
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Travel Comparison

Olympus E-PL9 as a Travel photography camera
Pentax 645Z as a Travel photography camera
77
has bluetooth
comes with focus by touch
decent MP (16MP)
has built in flash
does not posses selfie friendly screen
51
environment sealing
excellent megapixels (51 megapixels)
terrible battery (650 per charge)
heavier than others (1,550 grams)
display is not selfie friendly
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Landscape Comparison

Olympus E-PL9 Landscape photography highlights
Pentax 645Z Landscape photography highlights
80
has manual focus
swap lenses (Micro Four Thirds mount)
pretty good screen size (3 inch)
built in image stabilization (Sensor based)
decent MP (16 megapixels)
sensor size is good (Four Thirds)
supports RAW formats
78
manual focus
interchangeable lenses (Pentax 645AF2 mount)
nice screen size (3.2 inch)
excellent megapixels (51MP)
sensor size is large (Medium format)
does not have low pass filter
above average high ISO (204,800)
saves RAW formats
environment sealing
two card slots
no image stabilization
terrible battery (650 per charge)
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Vlogging Comparison

Vlogging with Olympus E-PL9
Vlogging with Pentax 645Z
35
built-in touchscreen
built in image stabilization (Sensor based)
supports face detection autofocus
high quality video (3840 x 2160 resolution)
does not posses selfie friendly screen
doesn't have external mic socket
27
includes face detect autofocus
video resolution high (1920 x 1080 pxls)
does have mic socket
display is not selfie friendly
no image stabilization
heavier than others (1,550 grams)
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Olympus E-PL9 vs Pentax 645Z Specifications

Detailed spec comparison table for Olympus E-PL9 and Pentax 645Z
 Olympus PEN E-PL9Pentax 645Z
General Information
Manufacturer Olympus Pentax
Model type Olympus PEN E-PL9 Pentax 645Z
Class Entry-Level Mirrorless Pro DSLR
Launched 2018-02-08 2014-04-15
Physical type Rangefinder-style mirrorless Large SLR
Sensor Information
Processor Chip TruePic VIII PRIME III
Sensor type CMOS CMOS
Sensor size Four Thirds Medium format
Sensor dimensions 17.3 x 13mm 44 x 33mm
Sensor surface area 224.9mm² 1,452.0mm²
Sensor resolution 16MP 51MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3
Highest resolution 4608 x 3456 8256 x 6192
Highest native ISO 6400 204800
Highest boosted ISO 25600 -
Lowest native ISO 200 100
RAW images
Lowest boosted ISO 100 -
Autofocusing
Focus manually
AF touch
Continuous AF
Single AF
AF tracking
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 121 27
Lens
Lens mount type Micro Four Thirds Pentax 645AF2
Total lenses 107 6
Focal length multiplier 2.1 0.8
Screen
Display type Tilting Tilting
Display sizing 3" 3.2"
Display resolution 1,040 thousand dots 1,037 thousand dots
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder Electronic (optional) Optical (pentaprism)
Viewfinder coverage - 98%
Viewfinder magnification - 0.85x
Features
Slowest shutter speed 60 secs 30 secs
Maximum shutter speed 1/4000 secs 1/4000 secs
Maximum quiet shutter speed 1/16000 secs -
Continuous shooting rate 8.6 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash distance 7.60 m (at ISO 200) no built-in flash
Flash options Auto, manual, redeye reduction, slow sync w/redeye reduction, slow sync , slow sync 2nd-curtain, fill-in, off Flash On, Flash On+Red-eye Reduction, Slow-speed Sync, Slow-speed Sync+Red-eye, P-TTL, Trailing Curtain Sync, contrast-control-sync, high-speed sync, wireless sync
Hot shoe
AEB
White balance bracketing
Maximum flash synchronize - 1/125 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PCM 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p)
Highest video resolution 3840x2160 1920x1080
Video format MPEG-4, H.264 MPEG-4, H.264
Mic port
Headphone port
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None Optional
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 380g (0.84 lbs) 1550g (3.42 lbs)
Dimensions 117 x 68 x 39mm (4.6" x 2.7" x 1.5") 156 x 117 x 123mm (6.1" x 4.6" x 4.8")
DXO scores
DXO All around rating not tested 101
DXO Color Depth rating not tested 26.0
DXO Dynamic range rating not tested 14.7
DXO Low light rating not tested 4505
Other
Battery life 350 images 650 images
Type of battery Battery Pack Battery Pack
Battery ID - D-LI90
Self timer Yes (2 or 12 secs, custom) Yes (2 or 10 secs)
Time lapse recording
Type of storage SD/SDHC/SDXC card (UHS-I supported) Dual SD/SDHC/SDXC slots
Card slots Single Two
Cost at launch $599 $5,024